ArticleNature communications2026
High-spin state dynamics and quintet-mediated emission in intramolecular singlet fission.
Article in Nature communications, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- An Energy-Gradient Strategy for Triplet-Pair Separation in Singlet-Fission Oligomers.Journal of the American Chemical Society · 2026Article
- Designing for Dispersibility: How Crystallinity and Solubilizing Groups Affect Quantum Dot Dispersion in Diphenylhexatriene Matrices.Nano letters · 2026Article
- Optically addressable molecular spin qubits.MRS bulletin · 2026Review
- Surveying optically addressable spin qubits for quantum information and sensing technology.npj quantum materials · 2026Review
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Authors and funding
14 authors.
Funding
Abstract
High-spin states in molecular systems hold significant interest for applications ranging from optoelectronics to quantum technologies. Spin states generated in intramolecular singlet fission are of particular relevance, yet the mechanisms controlling triplet-pair formation are not fully understood - especially the involvement of quintet states in luminescence at room temperature remains experimentally elusive. Here, we investigate high-spin state formation and emission in dimers and trimers comprising multiple diphenylhexatriene units. We demonstrate the formation of pure quintet states in all these oligomers, with quintet-mediated emission dominating delayed fluorescence up to room temperature. By distinguishing between the formation of weakly exchange-coupled triplet pairs and triplet excitons generated by intersystem crossing, we identify the methylated trimer as the only oligomer exhibiting exclusively the desired singlet fission route. These findings establish quintet-mediated delayed emission as a distinct spin-selective pathway and show how molecular structure directs high-spin formation, opening opportunities for room-temperature molecular quantum technologies.
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Registered trials
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